Biology, asked by nagardhirendra5, 6 months ago

atmosphiric pressure is important in the process​

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Answered by deepakram52
1

Atmospheric pressure is essentially the weight of the column of air directly above our heads. The force of gravity pulls molecules of air (nitrogen, oxygen, argon and a few other trace gases) toward the earth's surface. ... As one ascends through the atmosphere, the air thins out and it becomes more difficult to breath

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